minor #4894 DX: PhpdocToParamTypeFixer - improve typing (keradus)

This PR was merged into the 2.16 branch.

Discussion
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DX: PhpdocToParamTypeFixer - improve typing

type before #4850 was not proper, but if we can say more than `array`, let's do so

Commits
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2ff9f7c DX: PhpdocToParamTypeFixer - improve typing

src/Fixer/FunctionNotation/PhpdocToParamTypeFixer.php

@@ -38,7 +38,7 @@ final class PhpdocToParamTypeFixer extends AbstractFixer implements Configuratio
     const MINIMUM_PHP_VERSION = 70000;
 
     /**
-     * @var array
+     * @var array{int, string}[]
      */
     private $blacklistFuncNames = [
         [T_STRING, '__clone'],